Chromatography Reagents

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Reagents, C Chromatography Reagents

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  • Silica Gel Beads, 10-18 Mesh, Indicating, Grade 47

    GFS Chemicals

    SiO2 CAS#: 7631-86-9 F.W.: 60.09 Blue indicating desiccant.

  • Standard Mixture of n-alkanes for System Performance Test (16 components)

    Restek

    For GC analysis of total petroleum hydrocarbons (TPH) in water. Environmentally safer than previous methods. Calibration standard available as diesel #2/motor oil and diesel #2/mineral oil. Compound List (C10) n-Decane (124-18-5) (C12) n-Dodecane (112-40-3) (C14) n-Tetradecane (629-59-4)…

  • ASTM D3606 Calibration Standard #3 with MEK Internal Standard (3 components)

    Restek

    Compound List Benzene (71-43-2), 1.2% vol/vol 2-Butanone (MEK) (78-93-3), 4% vol/vol Toluene (108-88-3), 9.6% vol/vol

  • Avicel® Microcrystalline Cellulose

    GFS Chemicals

    Adsorbent for low pressure column chromatography.

  • QuEChERS Internal Standard Mix for GC-MS Analysis (6 components)

    Restek

    Compound List PCB 18 (37680-65-2), 50 µg/mL PCB 28 (7012-37-5), 50 µg/mL PCB 52 (35693-99-3), 50 µg/mL Triphenylmethane (519-73-3), 10 µg/mL Triphenylphosphate (115-86-6), 20 µg/mL Tris-(1,3-dichloroisopropyl)phosphate (13674-87-8), 50 µg/mL

  • Exempted Drug of Abuse Reference Standards

    Restek

    Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40°C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request.

  • DHA PONA Standard (188 components)

    Restek

    Compound List Compound, Conc (wt/wt%) Paraffins N-Butane, 2.086% N-Decane, 0.966% N-Dodecane, 0.943% N-Heptane, 2.479% N-Hexane, 3.882% N-Nonane, 1.048% N-Octane, 1.403% N-Pentadecane, 0.947% N-Pentane, 4.093% Propane, 0.251% N-Tetradecane, 0.947% N-Tridecane, 0.941% N-Undecane, 0.941% Isoparaffins…

  • Single-Component Explosives Solutions

    Restek

    These materials support nitroaromatic, nitramine, and nitroester analyses by GC-ECD (Method 8095). 1 , 2 Compounds listed are explosives, manufacturing intermediates, or degradation products. Method 8095 mixtures contain the components at concentration ratios appropriate for ECD. Supports…

  • N-Octane Reference Substance For Gas Chromatography

    MilliporeSigma

    Formula: CH3(CH2)6CH3 CAS No.: 111-65-9 Solubility: 0.0007 g/l (20°C) Melting Point: -57°C Molar Mass: 114.23 g/mol Boiling Point: 125 - 126°C (1013 hPa) Vapor Pressure: 14 hPa (20°C) Refractive Index: 13°C Explosion Limit: 0.8 - 6.5 %(V) Density: 0.70 g/cm3 (20°C) …

  • Sigma-Aldrich® TLC Plates PEI-cellulose, matrix

    MilliporeSigma

    General description Thin-layer chromatography (TLC) plates for adsorption, partition, and ion-exchange techniques. Six media choices with glass, polyester, and aluminum backings. Silica-based adsorbent layers in Sigma-Aldrich TLC plates incorporate a polymeric binder; highly purified silica gel…

  • Sodium Fluoroacetate

    MP Biomedicals

  • LC Multiresidue Pesticide Standard #2 (16 components)

    Restek

    Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Formulated and grouped for maximum long-term stability* and well-balanced chromatographic performance. Quantitatively tested to confirm…

  • USP <467> Singles

    Restek

    The United States Pharmacopeia (USP) General Chapter <467> Residual Solvents is a widely used compendial method intended for identifying and quantifying residual solvents in drug substances, drug products, and excipients. In an attempt to better mirror the International Conference on…

  • Cannabinoids Standard (3 components)

    Restek

    Compound List Cannabidiol (13956-29-1) Cannabinol (521-35-7) delta-9-Tetrahydrocannabinol (D 9 -THC) (1972-08-3)

  • Royer® Anion Exchange Resin, PEI-40

    GFS Chemicals

    F.W.: 60.09 Polyethylenimine immobilized on silica beads. 20-40 mesh.

  • NJDEP EPH 10/08 Rev. 2 Aliphatics Calibration Standard (20 components)

    Restek

    Compound List (C9) n-Nonane (111-84-2) (C10) n-Decane (124-18-5) (C12) n-Dodecane (112-40-3) (C14) n-Tetradecane (629-59-4) (C16) n-Hexadecane (544-76-3) (C18) n-Octadecane (593-45-3) (C20) n-Eicosane (112-95-8) (C21) n-Heneicosane (629-94-7) (C22) n-Docosane (629-97-0) (C24) n-Tetracosane…

  • 8260 MegaMix Calibration Mix (76 components)

    Restek

    Contains 76 compounds in one convenient ampul for the analysis of VOCs in solid waste. Quantitatively analyzed to confirm concentration and identity of each compound. Compound List Acetonitrile (75-05-8) Acrylonitrile (107-13-1) Allyl chloride (3-chloropropene) (107-05-1) Benzene (71-43-2)…

  • 508.1 GC Degradation Check Mix (2 components)

    Restek

    Compound List 4,4'-DDT (50-29-3) Endrin (72-20-8) Conc. in Solvent and Volume: 100 µg/mL each in ethyl acetate, 1 mL/ampul

  • PCB Congener Standard #2 (7 components)

    Restek

    Compound List 2,4,4'-Trichlorobiphenyl (BZ #28) (7012-37-5) 2,2',5,5'-Tetrachlorobiphenyl (BZ #52) (35693-99-3) 2,2',4,5,5'-Pentachlorobiphenyl (BZ #101) (37680-73-2) 2,3',4,4',5-Pentachlorobiphenyl (BZ #118) (31508-00-6) 2,2',3,4,4',5'-Hexachlorobiphenyl (BZ #138) (35065-28-2)…

  • d-BHC

    Restek

    Compound List δ-BHC (319-86-8)

  • Dimethyl Sulfoxide For Gas Chromatography

    MilliporeSigma

    Formula: (CH3)2SO CAS No.: 67-68-5 Solubility: 1000 g/l (20°C) Melting Point: 18.4°C Molar Mass: 78.1 g/mol Boiling Point: 189°C (1013 hPa) Vapor Pressure: 0.6 hPa (20°C) Flash Point: 87°C Refractive Index: 1.48 (20°C) Explosion Limit: 1.8 - 63.0 %(V) Density: …

  • Silylation Derivatization Reagents

    Restek

    Replace active hydrogen, reducing polarity and making the compounds more volatile. Increase stability of derivatives.

  • NPI-350 Column Test Mix (8 components)

    Restek

    Compound List (C9:0 FAME) Methyl nonanoate (1731-84-6) (C13) n-Tridecane (629-50-5) (C15) n-Pentadecane (629-62-9) Acenaphthylene (208-96-8) 4-Chlorophenol (106-48-9) 1,6-Hexanediol (629-11-8) 4-Propylaniline (2696-84-6) 1-Undecanol (112-42-5)

  • Polar ISO Column Test Mix (8 components)

    Restek

    Compound List (C17) n-Heptadecane (629-78-7) (C19) n-Nonadecane (629-92-5) Aniline (62-53-3) 2-Chlorophenol (95-57-8) 2-Dodecanol (10203-28-8) Methyl dodecanoate 2-Nonanone (821-55-6) 1-Octanol (111-87-5)

  • 2,4-Dinitrophenol

    Restek

    Compound List 2,4-Dinitrophenol (51-28-5) Conc. in Solvent and Volume: 1,000 µg/mL in methanol, 1 mL/ampul

  • BSTFA + 1% TMCS Silylation Reagent

    Thermo Scientific

    Use Thermo Scientific™ BSTFA + 1% TMCS Silylation Reagent for analytes that are difficult to silylate. Stronger than BSTFA alone, this catalyzed formulation is ideal for derivatizing compounds such as fatty acid amides and slightly hindered hydroxyls for GC analysis. Excellent for…

  • GC Multiresidue Pesticide Standard #6 (18 components)

    Restek

    Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Formulated and grouped for maximum long-term stability*. Quantitatively tested to confirm composition; detailed…

  • VeriSpec™ Organic Standards, 2 Components

    Ricca Chemical

    VeriSpec™ Organic Standards 2000 ppm: 2-Bromo-1-chloropropane, Fluorobenzene in Methanol. 2000 ppm: 2-Bromo-1-chloropropane, 1-Chloro-2-fluorobenzene in Methanol ASTM D5580 ISO 17025/Guide 34 24 Month Shelf Life Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

  • Standard TLC Silica with Binder & Indicator

    GFS Chemicals

    Irregular silica for TLC applications. 60 angstrom pore size, -400 mesh (5-25 micron) particle size. Surface area 500 m2/g. With gypsum binder and fluorescent indicator (F-254). M-N # 816320.

  • Molecular Sieve, 4A, Powder, Activated

    GFS Chemicals

    CAS#: 1344-00-9

  • Molecular Sieve, 13X 8-12 Mesh Beads

    GFS Chemicals

    CAS#: 1344-00-9

  • VeriSpec™ Organic Standards, 6 Components

    Ricca Chemical

    VeriSpec™ Organic Standards 200 ppm & 2000 ppm: C2H5Br, C2H5Cl, CH3Cl, CCl2F2, CCl3F, C2H3Cl in Methanol EPA 502/ASTM D5580 24 Month Shelf Life Manufactured and Tested…

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